Want to know about the largest to smallest counties in Wisconsin, USA in terms of total land area? Check this resource Wisconsin counties by land area to discover all the details regarding county map (boundary), and nearby counties.
On the other hand, check Wisconsin counties by population and Wisconsin cities by population to know more about city and county based demographic details.
What is the largest county in Wisconsin by land area?
Marathon County is the largest county in Wisconsin spanning 1545.19 square miles, with an additional 31.14 square miles of water area. Following Marathon County, Bayfield County ranks as the second largest in terms of land area, covering 1477.88 square miles, while Marinette County secures the position as the third largest county in Wisconsin.
What is the smallest county by land area in Wisconsin?
Pepin County is the smallest in Wisconsin by total land area, covers about 232.01 square miles.
What is the largest county by population in Wisconsin?
Milwaukee County in Wisconsin, USA, stands as the most populous county having 939,489 residents as per the 2022 census data.
What is the smallest county by population in Wisconsin?
Menominee County is the smallest in Wisconsin by total population, having 4,255 residents as per the 2022 census data.
Wisconsin Counties by Size
Rank
| County
in Wisconsin | Land Area
square miles | Water Area
square miles | Total Area
square miles |
|---|
| 1 | Marathon County | 1,545 | 31 | 1,576 |
| 2 | Bayfield County | 1,478 | 564 | 2,042 |
| 3 | Marinette County | 1,399 | 151 | 1,550 |
| 4 | Douglas County | 1,304 | 175 | 1,480 |
| 5 | Sawyer County | 1,258 | 93 | 1,350 |
| 6 | Price County | 1,254 | 24 | 1,278 |
| 7 | Clark County | 1,210 | 9 | 1,219 |
| 8 | Dane County | 1,197 | 41 | 1,238 |
| 9 | Grant County | 1,147 | 36 | 1,183 |
| 10 | Oneida County | 1,114 | 123 | 1,237 |
| 11 | Ashland County | 1,045 | 1,247 | 2,292 |
| 12 | Forest County | 1,014 | 32 | 1,047 |
| 13 | Chippewa County | 1,008 | 33 | 1,041 |
| 14 | Oconto County | 997 | 151 | 1,149 |
| 15 | Jackson County | 988 | 13 | 1,000 |
| 16 | Taylor County | 975 | 10 | 985 |
| 17 | Polk County | 914 | 42 | 956 |
| 18 | Rusk County | 914 | 17 | 931 |
| 19 | Monroe County | 901 | 7 | 908 |
| 20 | Shawano County | 893 | 16 | 909 |
| 21 | Lincoln County | 879 | 28 | 907 |
| 22 | Dodge County | 876 | 31 | 907 |
| 23 | Langlade County | 871 | 17 | 888 |
| 24 | Barron County | 863 | 27 | 890 |
| 25 | Vilas County | 858 | 160 | 1,018 |
| 26 | Dunn County | 850 | 14 | 864 |
| 27 | Sauk County | 832 | 18 | 849 |
| 28 | Burnett County | 822 | 59 | 880 |
| 29 | Portage County | 801 | 22 | 823 |
| 30 | Washburn County | 797 | 56 | 853 |
| 31 | Wood County | 793 | 16 | 809 |
| 32 | Vernon County | 792 | 25 | 816 |
| 33 | Juneau County | 767 | 38 | 805 |
| 34 | Columbia County | 766 | 30 | 796 |
| 35 | Iowa County | 763 | 5 | 768 |
| 36 | Iron County | 758 | 161 | 919 |
| 37 | Waupaca County | 748 | 17 | 765 |
| 38 | Trempealeau County | 733 | 9 | 742 |
| 39 | St. Croix County | 722 | 13 | 735 |
| 40 | Fond du Lac County | 720 | 46 | 766 |
| 41 | Rock County | 718 | 8 | 726 |
| 42 | Buffalo County | 676 | 34 | 710 |
| 43 | Adams County | 646 | 42 | 687 |
| 44 | Eau Claire County | 638 | 7 | 645 |
| 45 | Outagamie County | 638 | 7 | 645 |
| 46 | Lafayette County | 634 | 1 | 635 |
| 47 | Waushara County | 626 | 11 | 637 |
| 48 | Manitowoc County | 589 | 905 | 1,494 |
| 49 | Richland County | 586 | 3 | 589 |
| 50 | Green County | 584 | 1 | 585 |
| 51 | Pierce County | 574 | 19 | 593 |
| 52 | Crawford County | 571 | 28 | 599 |
| 53 | Jefferson County | 556 | 26 | 583 |
| 54 | Walworth County | 555 | 21 | 577 |
| 55 | Waukesha County | 550 | 31 | 581 |
| 56 | Brown County | 530 | 86 | 616 |
| 57 | Sheboygan County | 512 | 760 | 1,271 |
| 58 | Florence County | 488 | 9 | 497 |
| 59 | Door County | 482 | 1,888 | 2,370 |
| 60 | Marquette County | 456 | 9 | 464 |
| 61 | La Crosse County | 452 | 28 | 480 |
| 62 | Winnebago County | 435 | 144 | 579 |
| 63 | Washington County | 431 | 5 | 436 |
| 64 | Menominee County | 358 | 7 | 365 |
| 65 | Green Lake County | 350 | 31 | 380 |
| 66 | Kewaunee County | 342 | 742 | 1,084 |
| 67 | Racine County | 333 | 460 | 792 |
| 68 | Calumet County | 318 | 79 | 397 |
| 69 | Kenosha County | 272 | 482 | 754 |
| 70 | Milwaukee County | 241 | 948 | 1,190 |
| 71 | Ozaukee County | 233 | 883 | 1,116 |
| 72 | Pepin County | 232 | 17 | 249 |
